Witnesses said he was screaming at officers: “You should have seen her. You should have seen her.’’ [>

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Senior officers appealed for calm yesterday as the Independent Police Complaints Commission launched a probe into the tragedy. [>

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The driver faces a possible death by dangerous driving charge which carries a maximum 14-year jail term. [>

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Police said he and a second patrol vehicle were following a motor that showed up on computers as having no insurance or tax. Hayley, on study leave for her GCSEs, was returning to the home of her sister Sarah in Newcastle upon Tyne after an evening with pals. [>

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Eyewitness Shannon Thorpe, 13, said: “I could see a police car approaching fast and it definitely did not have its headlights on. [>

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“The police car ploughed into her Everyone was hysterical and screaming at the police. [>

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“George was shouting at the police, saying, ‘You should have seen her.’ [>

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“The police then Tasered him and took him away.” [>

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David Forrest, 20, who had been in a group with Hayley, added: “There were two police cars and neither had flashing lights or sirens going. [>

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“The car that hit Hayley didn’t even have headlights on. I knew straight away she was dead.’’ [>

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Hayley’s pal Chris Broatch, who saw the cars approach from his living room, said: “I estimate they were doing 100mph.” Chris, 23, who ran outside after the crash, added: “The driver got out and was saying: ‘It’s my fault,’ and holding his hands up. He was shaking violently. [>

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“The way the police handled the situation was very poor. They seemed more bothered about pushing and shoving Hayley’s friends than about the girl herself. [>

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“George was beside himself. They went too far by Tasering him. [>

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“That night he should have been grieving for Hayley but instead was stuck in a police cell.” [>

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The teen, who had wanted to be a beauty therapist, had been a bridesmaid at Sarah’s wedding 10 days ago. [>

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Police Chief Superintendent Paul Weir said of the aftermath of the crash, when bricks were hurled: “Understandably, emotions were running high. However, we cannot tolerate emotion spilling over into violence and disorder.” [>